pdupes is a duplicate file detector that is inspired by jdupes, while having different design goals:
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jdupes has many configuration options and operation modes. pdupes is designed to do exactly one thing: dedupe rsnapshot backup archives.
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jdupes is designed to be extremely fast while using little memory. pdupes favors a small and simple codebase and more expensive higher language constructs over resource usage.
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pdupes functionality should be verified by automated tests.
pdupes <directory> [<directory> ...]
pdupes will scan all files in the given directories and will then hardlink duplicate files to each other to consume disk space.
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add deduplication: hardlink duplicate files, don't just print them
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add tangled POD
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add test cases
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add license/copyright
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add project URL and license badge